A particle of mass 
is thrown upwards from the surface of the earth, with a velocity 
. The mass and the radius of the earth are, respectively, 
and R. 
is gravitational constant and 
is acceleration due to gravity on the surface of the earth. The minimum value of 
so that the particle does not return back to earth, is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: According to law of conservation of mechanical energy
or 
( 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are …
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten tim…
The acceleration due to gravity at a height1 km above the earth is the same as at a depth below th…
Two astronauts are floating in gravitational free space after having lost contact with their spaces…
Starting from the centre of the earth having radius , the variation of acceleration due to gravit…
A satellite of mass is orbiting the earth (of radius ) at a height from its surface. The total e…